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    <title>Document</title>
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<script>
    // var arr = [10,15,2,32,5,4,20,8,48,54,6];找出数组中小于10 的数据，并组成一个新的数组

    var arr = [10,15,2,32,5,4,20,8,48,54,6];
    var arr1 = []

    for(var i in arr){
        if(arr[i]< 10){         //判断数组中i小于10的执行if条件
            arr1.push(arr[i]);      //小于10的放在数组中
        }
    }
    console.log(arr1);
    
    
</script>
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